@article{abadie2003semiparametric,
  title={Semiparametric Instrumental Variable Estimation of Treatment Response Models},
  author={Abadie, Alberto},
  journal={Journal of Econometrics},
  volume={113},
  number={2},
  pages={231--263},
  year={2003},
  publisher={Elsevier}
}

@inproceedings{angrist2013extrapolate,
  title={ExtrapoLATE-ing: External Validity and Overidentification in the LATE Framework},
  author={Angrist, Joshua D and Fernandez-Val, Ivan},
  booktitle={Advances in Economics and Econometrics: Volume 3, Econometrics: Tenth World Congress},
  volume={51},
  pages={401},
  year={2013},
  organization={Cambridge University Press}
}

@article{calonico2018effect,
  title={On the Effect of Bias Estimation on Coverage Accuracy in Nonparametric Inference},
  author={Calonico, Sebastian and Cattaneo, Matias D and Farrell, Max H},
  journal={Journal of the American Statistical Association},
  pages={1--13},
  year={2018},
  publisher={Taylor \& Francis}
}